../ dmsp_15_ephemeris_20151025.txt 22-Jun-2023 00:29 109536 dmsp_16_ephemeris_20151025.txt 22-Jun-2023 00:29 109542 dmsp_17_ephemeris_20151025.txt 22-Jun-2023 00:29 109542 dmsp_18_ephemeris_20151025.txt 22-Jun-2023 00:29 109577 dmsp_19_ephemeris_20151025.txt 22-Jun-2023 00:29 109572